Pesquisa e Ensino em Ciências Exatas e da Natureza is a peer-reviewed, free-access multidisciplinary electronic journal with no publication fees edited by a team of professors of the Academic Unit of Exact and Natural Sciences of the Professor Training Center of the Federal University of Campina Grande – Cajazeiras campus – in the state of Paraíba, Brazil. The journal is directed primarily to the academic-scientific community and continually receives contributions for the publication of articles continuously from regular editions as well as thematic, special and/or supplementary editions. The aim of the journal is to publish contributions written in Portuguese or English in all fields related to research and teaching in the Exact and Natural Sciences as well as Agrarian Sciences, Earth Sciences, Environmental Sciences, Health Sciences, Humanities and Social Sciences, in an annual volume/issue. Pesquisa e Ensino em Ciências Exatas e da Natureza publishes original articles and notes based on scientific research, original articles of a theoretical-methodological nature, literature reviews, book presentations, points of view, news, opinions, printing errors, obituaries and editorials.
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